Refer to the following information on three stock returns for the stocks A,B and C in the following table

Probability	Stock A	Stock B	Stock C
0.2	0.2	0.25	0.1
0.1	0.05	0.1	0.05
0.4	0.1	0.05	0
0.3	0	-0.1	-0.05

a-If you must ONLY choose two stocks, which two stocks would you choose?

Calculate return and risk and coefficient of variation for all three to justify your answer using excel